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Underground Devices

  • Off-site duct bank assembly is possible, allowing for labor savings
  • A safer installation - less time is needed in the trench
  • Do more work outside the ditch instead of down inside
  • Cannot fall or tip over
  • Easy flow of concrete through spacers in the pour
  • Fits all types and sizes of conduit.
  • Any separation and configuration....
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Underground Devices

Underground Devices manufactures 8" Duct Spacers that are ideally suited for underground power transmission installations. These duct spacers are manufactured in several different size categories. Read more...

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Underground Devices

Underground Devices - Grid spacers applications include concrete encased duct banks for smart highways, airport runways, fiber optics, etc. Read more...

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Underground Devices

NEW! Low EMF Duct Spacers For Underground Transmission

Underground Devices has developed the first commercially available Low EMF Duct Spacer for underground power transmission projects Read more...

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Underground Devices

Underground Devices has developed the first commercially available Low EMF Duct Spacer for underground power transmission projects. Read more...

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Underground Devices

With the Duct Donut Spacer you can save time and effort. Your duct bank can be easily pre-assembled outside of the trench. You can also attain either 1½" or 3" separation with the same spacer. Read more...

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Underground Devices

  • CUSTOM SPACER UNITS (3-WAY, 4-WAY, ETC.) ASSEMBLED AT NO ADDITIONAL COST.
  • HALF AS MANY PARTS TO HANDLE - MOLDED AS A TWO-WAY.
  • EASY SNAP-IN DESIGN CUTS YOUR LABOR IN HALF.
  • RANDOM POSITIONING ALONG DUCT RUN ELIMINATES VERTICAL SHEAR PLANE.
  • FOR ALL TYPES OF DUCT AND ALMOST ANY DUCT BANK CONFIGURATION.
  • DESIGNED FOR USE IN CONCRETE ENC...
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Underground Devices

Underground Devices - EASYWAY GRID SPACER is used to support power and communications conduits prior to concrete encasement. Applications include concrete encased duct banks for smart highways, airport runways, fiber optics, etc. Read more...

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Underground Devices

Underground Devices - Video available. Installation takes place under an interstate highway in Chicago, IL. The approximately length of the bore is 200 feet. 34 ea. 3-1/2" RTRC Conduits were installed in a 54" OD casing Read more...

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Underground Devices

With more than 5,000 bore spacer designs completed, Underground Devices is a true leader in the bore spacer field. Read more...

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